stoped working days latter came back on then stoped for good.fan symble on dash does not light up till i rotate thumb wheel controler to only one size or speed symble-wont change.ac working fine after time you can feel cool air and hear rpm changes.mabey a control issue or protection.i dont know anything aboat these things with newer cars-ineed help. thanks al piazza
ac-heatert-blower motor not working on 2001 Mercury Grand Marquis
by trucks in Palmdale, CA on August 18, 2009
ANSWER by dandd , August 22, 2009
Need to have your Climate Control scanned and its data stream checked. this is a computer controlled system and this is the most reliable method to deal with it. Good Luck!